Finding the Third Proportional to 1,778,594 and 3,902,868

Step by Step Solution

1. Step 1: Write the proportion equation
   1,778,594 : 3,902,868 = 3,902,868 : x
2. Step 2: Convert to fraction form
   1,778,594/3,902,868 = 3,902,868/x
3. Step 3: Cross multiply
   1,778,594x = 3,902,868 × 3,902,868
4. Step 4: Simplify right side
   1,778,594x = 15,232,378,625,424
5. Step 5: Solve for x
   x = 15,232,378,625,424/1,778,594
6. Step 6: Final answer
   x = 8,564,280.90